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Rifles, Reloading, Optics, Equipment
Reloading
New to me issue with brass
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<blockquote data-quote="Lefty7mmstw" data-source="post: 2575162" data-attributes="member: 48043"><p>highly doubtful... If this is during the firing cycle you either are getting poor gas seal from stiff brass that needs annealing and/or are at rather low pressure that is letting a bit of gas past the neck before the neck expands to seal. The only time I've ever gotten a dent like that on a 300win is using mild loads with fast powder like 4895 and light bullets; pretty much perfect storm for bad gas seal. </p><p>If you are getting these dents during the sizing cycle then don't get nearly as much lube on the forward third or so of the case. </p><p>4350 is plenty slow to run in a 300win and has been used as an accuracy powder for decades. Most are using a bit slower powder now days especially with 180gr. + bullet weights to get a bit more speed but 4350 will work.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 2575162, member: 48043"] highly doubtful... If this is during the firing cycle you either are getting poor gas seal from stiff brass that needs annealing and/or are at rather low pressure that is letting a bit of gas past the neck before the neck expands to seal. The only time I've ever gotten a dent like that on a 300win is using mild loads with fast powder like 4895 and light bullets; pretty much perfect storm for bad gas seal. If you are getting these dents during the sizing cycle then don't get nearly as much lube on the forward third or so of the case. 4350 is plenty slow to run in a 300win and has been used as an accuracy powder for decades. Most are using a bit slower powder now days especially with 180gr. + bullet weights to get a bit more speed but 4350 will work. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
New to me issue with brass
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